Upper Colorado Snowpack Database

Lake Powell, Vail, Steamboat Springs, Crested Butte

Colorado Snow




1, , , , , , , ,

ENTIRE UPPER COLORADO RIVER BASIN
As of: 2026-05-16
Day #228 of Water Year 2026
All water / SWE measurements in inches

SNOTEL SITES
REPORTING		AVG
ELEVATION		 AVG
CUR SWE		AVG
SWE AVG		PCT
SWE AVG		 ALL UC
MEDIAN SWE		PCT
MEDIAN SWE		 AVG
CUR TP		AVG
TP AVG		PCT
TP AVG		 SNOWPACK
MAX DATE		 SNOWPACK
MAX AMT		 PCT of
MAX AMT
132 of 141
9,630
1.051
8.236
12.76%
6.908
15.21%
17.074
22.026
77.51%
April 4th
15.580
6.74%

Summary of River Basin Averages that drain into Lake Powell

RIVER BASIN
Click for details and graph		BASIN SITES
REPORTING		AVG
ELEVATION		 AVG
CUR SWE		AVG
SWE AVG		PCT
SWE AVG		 BASIN
MEDIAN SWE		PCT
MEDIAN SWE		 AVG
CUR TP		AVG
TP AVG		PCT
TP AVG		 SNOWPACK
MAX DATE		 SNOWPACK
MAX AMT		 PCT of
MAX AMT
DIRTY DEVIL RIVER
5 of 6
9,445
0.000
0.959 *
0.00%
0.000
%
11.433
15.217
75.14%
March 31st
9.491
0.00%
PRICE-SAN RAFAEL
11 of 11
9,013
0.000
4.208 *
0.00%
2.000
0.00%
14.236
19.604
72.62%
March 31st
13.981
0.00%
ROARING FORK RIVER
8 of 8
9,780
0.050
8.372
0.60%
6.900
0.72%
16.175
24.173
66.91%
April 4th
16.685
0.30%
ANIMAS RIVER
8 of 9
10,439
0.088
9.239
0.95%
7.767
1.13%
23.325
25.713
90.71%
April 4th
17.615
0.50%
ESCALANTE RIVER
3 of 4
9,877
0.033
1.826
1.82%
0.000
%
12.800
15.677
81.65%
April 3rd
10.582
0.31%
SAN JUAN RIVER HEADWATERS
9 of 9
10,689
0.367
10.979
3.34%
8.722
4.20%
24.056
25.694
93.62%
April 5th
18.871
1.94%
GUNNISON RIVER
16 of 16
10,320
0.419
8.652
4.84%
7.220
5.80%
17.094
22.798
74.98%
April 5th
16.621
2.52%
DUCHESNE RIVER
14 of 15
9,301
0.593
6.340
9.35%
4.907
12.08%
16.229
19.698
82.39%
March 31st
13.492
4.39%
UPPER COLORADO RIVER HEADWATERS
19 of 20
10,195
1.253
11.609
10.79%
11.759
10.65%
15.485
22.342
69.31%
April 12th
16.217
7.72%
SOUTH EASTERN UTAH
6 of 6
8,976
0.100
0.516
19.38%
0.000
%
15.017
18.054
83.18%
March 14th
10.750
0.93%
YAMPA/WHITE RIVER
20 of 21
9,153
2.560
12.906
19.84%
11.885
21.54%
20.747
27.959
74.21%
April 4th
20.167
12.69%
UPPER GREEN RIVER
22 of 26
8,946
1.686
7.485
22.53%
6.154
27.40%
16.180
18.564
87.16%
April 9th
14.148
11.92%
DOLORES/SAN MIGUEL RIVER
9 of 9
10,316
1.344
5.787
23.23%
3.612
37.22%
18.900
22.727
83.16%
March 31st
15.640
8.60%

SWE and TP Averages are from the 30 year average calculated from all data between 10/01/1990 and 09/30/2020

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Upper Colorado River Basin SWE and TP Averages are from the 30 year average calculated from data between 10/01/1990 and 09/30/2020

Abbreviations Legend:
-- indicates the either no measurement taken or data not received
SWE = Snow Water Equivalent
SWE is the amount of water in a volume of snow, measured by weight
TP = Total Precipitation
AVG SWE = Average Snow Water Equivalent for date listed above
AVG TP = Average Total Precipitation for date listed above
PCT SWE AVG = SWE as a Percent of Average SWE for that date
PCT TP AVG = TP as a Percent of Average TP for that date
  Percent of Average Numbers are calculated only for those stations that report for a given date
  A non-reporting station is eliminated from the calculation of overall averages, not treated as a 0
* Max Snowpack numbers and dates come from NRCS data for previous year

Colors Legend:
Red, less than 50% of average
Orange, between 50% and 80% of average
Green, between 80% and 120% of average
Blue, between 120% and 150% of average
Purple, greater than 150% of average



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Snow data courtesy of the NRCS and the USDA
All data is provisional and subject to review and modification
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Lake Powell, Vail, Steamboat Springs, Crested Butte